综掘面掘支锚配套锚固钻机部力学特性研究

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中图分类号：TD421 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202310036

Abstract：Inresponsetotheproblemofcoupling vibrationbetweenequipmentandcoalrockduring theanchoringdrllng process ofthecomprehensiveminingfaceincoalmines，consideringtheunevennessofthetopandbotomplatesoftheworkingface，the mechanicalcharacteristisoftheanchoringdrillngrigduringthdrllingprocessaremainlystudied.Constructadynamicmodelfor synchronous anchoringoperationofmultidrillngriganchoringdrllingrig，anduse numericalanalysis methods tosolvethevibra tionresponsecharacteristicsofkeycomponentsintheanchoringdrlligrig.Theresultsshowthatbasedonthetime-domaincurve analysis，the maximum vibration radius of the drill pipe is 3.59mm ，and the minimum vibration radius of the drill frame is （204号 1.51mm ；According to the frequencydomain curve，itcan be shown that the amplitudeofthedrillpipe reaches its maximum at around 11.94Hz compared to other components of the drilling rig，with a maximum value of 392.6mm ；According to the vibration phasediagram，itcanbeshownthattheoverallstabiltyofthepowerhead，drilingframe，andcrosseamoftheanchordillis goodduringthevibrationprocess.Thevibrationresponsecharacteristicsofkeycomponentsoftheanchoringdrilingrigduringthe driling proesswereobtained throughcomparativeexperimentsontheanchoring testprototype，whichisbasicallyconsistentwith theresultsofdynamicumeicalsimulatin.Tsveristebiltfteteorticalaalysisofdrillngibratincracte ofkeycomponents.Teeevanttheoreticalresultscanprovideatheoreticalbasisforthestabilityresearchoftheanchorngdrillng rig in the comprehensive excavation face.

Keywords：anchorgroup；mathematical model;vibration characteristics；mechanicalcharacteristics；drlling experiment

现如今矿并已实现了一体化掘进，但锚固施工仍然需要人工手动钻进迎头进行，严重限制了掘进效率，且作业安全得不到保障。（剩余12027字）